The hex color #d3533e is a dark color. The web-safe version is Hex
#CC6633. A complementary color is
#2CACC1. The grayscale version is
#777777. A 20% lighter version of the original color is
#FF8671, and Hex
#A0200B is the 20% darker color. If the color is saturated by 10%, you get
#DC4F38. If the color is desaturated by 10%, the color
#CA5744 is obtained.